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Modular Arithmetic
hard
0:00.0
What is the result of
∑
x
=
1
10
x
2
(
m
o
d
11
)
\sum_{x=1}^{10} x^2 \pmod{11}
∑
x
=
1
10
x
2
(
mod
11
)
?
A
0
B
5
C
6
D
10
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